<template>
  <el-form>
    <el-form-item>
      <el-radio
        v-model="radioValue"
        :value="1"
      >
        日，允许的通配符[, - * ? / L W]
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio
        v-model="radioValue"
        :value="2"
      >
        不指定
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio
        v-model="radioValue"
        :value="3"
      >
        周期从
        <el-input-number
          v-model="cycle01"
          :min="1"
          :max="30"
        />
        -
        <el-input-number
          v-model="cycle02"
          :min="cycle01 + 1"
          :max="31"
        />
        日
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio
        v-model="radioValue"
        :value="4"
      >
        从
        <el-input-number
          v-model="average01"
          :min="1"
          :max="30"
        />
        号开始，每
        <el-input-number
          v-model="average02"
          :min="1"
          :max="31 - average01"
        />
        日执行一次
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio
        v-model="radioValue"
        :value="5"
      >
        每月
        <el-input-number
          v-model="workday"
          :min="1"
          :max="31"
        />
        号最近的那个工作日
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio
        v-model="radioValue"
        :value="6"
      >
        本月最后一天
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio
        v-model="radioValue"
        :value="7"
      >
        指定
        <el-select
          clearable
          v-model="checkboxList"
          placeholder="可多选"
          multiple
          :multiple-limit="10"
        >
          <el-option
            v-for="item in 31"
            :key="item"
            :label="item"
            :value="item"
          />
        </el-select>
      </el-radio>
    </el-form-item>
  </el-form>
</template>
<script setup>
import { computed, getCurrentInstance, onMounted, ref, watch } from "vue";

const emit = defineEmits(["update"]);
const props = defineProps({
  cron: {
    type: Object,
    default: {
      second: "*",
      min: "*",
      hour: "*",
      day: "*",
      month: "*",
      week: "?",
      year: ""
    }
  },
  check: {
    type: Function,
    default: () => {}
  }
});
const radioValue = ref(1);
const cycle01 = ref(1);
const cycle02 = ref(2);
const average01 = ref(1);
const average02 = ref(1);
const workday = ref(1);
const checkboxList = ref([]);
const checkCopy = ref([1]);
const cycleTotal = computed(() => {
  cycle01.value = props.check(cycle01.value, 1, 30);
  cycle02.value = props.check(cycle02.value, cycle01.value + 1, 31);
  return cycle01.value + "-" + cycle02.value;
});
const averageTotal = computed(() => {
  average01.value = props.check(average01.value, 1, 30);
  average02.value = props.check(average02.value, 1, 31 - average01.value);
  return average01.value + "/" + average02.value;
});
const workdayTotal = computed(() => {
  workday.value = props.check(workday.value, 1, 31);
  return workday.value + "W";
});
const checkboxString = computed(() => {
  return checkboxList.value.join(",");
});
watch(
  () => props.cron.day,
  value => changeRadioValue(value)
);
watch([radioValue, cycleTotal, averageTotal, workdayTotal, checkboxString], () => onRadioChange());
function changeRadioValue(value) {
  if (value === "*") {
    radioValue.value = 1;
  } else if (value === "?") {
    radioValue.value = 2;
  } else if (value.indexOf("-") > -1) {
    const indexArr = value.split("-");
    cycle01.value = Number(indexArr[0]);
    cycle02.value = Number(indexArr[1]);
    radioValue.value = 3;
  } else if (value.indexOf("/") > -1) {
    const indexArr = value.split("/");
    average01.value = Number(indexArr[0]);
    average02.value = Number(indexArr[1]);
    radioValue.value = 4;
  } else if (value.indexOf("W") > -1) {
    const indexArr = value.split("W");
    workday.value = Number(indexArr[0]);
    radioValue.value = 5;
  } else if (value === "L") {
    radioValue.value = 6;
  } else {
    checkboxList.value = [...new Set(value.split(",").map(item => Number(item)))];
    radioValue.value = 7;
  }
}
// 单选按钮值变化时
function onRadioChange() {
  if (radioValue.value === 2 && props.cron.week === "?") {
    emit("update", "week", "*", "day");
  }
  if (radioValue.value !== 2 && props.cron.week !== "?") {
    emit("update", "week", "?", "day");
  }
  switch (radioValue.value) {
    case 1:
      emit("update", "day", "*", "day");
      break;
    case 2:
      emit("update", "day", "?", "day");
      break;
    case 3:
      emit("update", "day", cycleTotal.value, "day");
      break;
    case 4:
      emit("update", "day", averageTotal.value, "day");
      break;
    case 5:
      emit("update", "day", workdayTotal.value, "day");
      break;
    case 6:
      emit("update", "day", "L", "day");
      break;
    case 7:
      if (checkboxList.value.length === 0) {
        checkboxList.value.push(checkCopy.value[0]);
      } else {
        checkCopy.value = checkboxList.value;
      }
      emit("update", "day", checkboxString.value, "day");
      break;
  }
}
</script>

<style lang="scss" scoped>
.el-input-number--small,
.el-select,
.el-select--small {
  margin: 0 0.2rem;
}
.el-select,
.el-select--small {
  width: 18.8rem;
}
</style>
